package com.example.demo.demo;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

@Component
public class Tire {
    /**
     * 轮胎*/
    private Integer size;

    public Tire(Integer size) {
        this.size = size;
        System.out.println("tire init..." + "size=" + this.size);
    }
}
